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Finding the Fourth Proportional to 220,312.56, 304,032.32 and 124,837.86

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Solution

The fourth proportional to 220,312.56, 304,032.32 and 124,837.86 is: 172,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,312.56 : 304,032.32 = 124,837.86 : x
  2. Step 2: Convert to fraction form
    220,312.56/304,032.32 = 124,837.86/x
  3. Step 3: Cross multiply
    220,312.56x = 304,032.32 × 124,837.86
  4. Step 4: Simplify right side
    220,312.56x = 37,954,744,199.64
  5. Step 5: Solve for x
    x = 37,954,744,199.64/220,312.56
  6. Step 6: Final answer
    x = 172,276.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.